Double click on file and select Continue and Install from following Form

Insert administrator's username and password (in the example we are using an user named TSC)

A new Dialog will show thath installation is done

Now select Printer and Scanner from System Preferences

Select "+" and select "Add Printer or Scanner" in the new window

Now connect printer on free USB port, the list in followinf form will show connected printer (in the exampleTSC TTP-244 Pro). Select printer and from combo box "Use" select "Other" as in the following picture:

navigate in the driver list until detect your printer model

Confirm selecting "open", then select "ADD". Your printer is ready to use